CO2 sensor in rye cover crop

Cover Crop and CO2 Emissions

February 26, 2018
Do cover crops affect CO2 emissions from the soil and if so, under what conditions? These were among the questions addressed by university researchers monitoring CO2 emissions from cereal rye cover crops in irrigated and dryland no-till continuous corn treatments.

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Taking CO2 measurements in plots where residue has been baled
Taking CO2 measurements in plots where residue has been baled

Corn Residue Removal and CO2 Emissions

February 26, 2018
University research looking at CO2 emissions from two types of residue removal (baling and grazing) compared with a control treatment found little day-to-day impact; however, when looking at cumulative data for the whole year, grazing did appear to affect cumulative CO2 emissions in irrigated crop-livestock systems. This data represents the first year of this study.

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Chart of tillage effects on CO2

Long-term Tillage and Soil CO2 Fluxes

February 13, 2018
How do different tillage systems affect CO2 and what factors contribute to fluxes? These were the questions addressed by students and agronomists studying long-term tillage and no-till plots in eastern Nebraska.

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